Incredible Tinea Versicolor Black Light Ideas. Web if you have brown or black skin, the rash may appear darker or lighter than your natural color. Web tinea versicolor , also known as pityriasis versicolor , is a superficial fungal infection caused by an overgrowth of yeast that occurs naturally on the skin.

Web on darker skin, tinea versicolor appears white or light tan. It's sometimes also called tinea versicolor. Patches are most often found on the chest or back and prevent the skin from tanning evenly.